Display screen or portion thereof with icon



FIG. 1 is a front view of a first embodiment of a display screen or portion thereof with icon showing our new design;

FIG. 2 is a front view of a second embodiment of a display screen or portion thereof with icon showing our new design; and,

FIG. 3 is a front view of a third embodiment of a display screen or portion thereof with icon showing our new design.

The outer perimeter shown in broken line in the drawings illustrates a display screen or portion thereof and forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 